Automobile-buffer.



R. T. NEWTON AUTOMOBILE BUFFER.

APPLICATION FILED MAR.4. I915. 7

1,257,380. v Patentd Feb. 26,1918.

2 SHEETS-SHEET l.

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R. T. NEWTON.

A UTOM UBIL'E BUFFER.

APPLICATION FILED MAR. 4. 1915.

Patented Feb. 26, 1918.

2 SHEETS-SHEET 2.

UNITED STATES PATENT OFFICE.

RICHARD T. NEWTON, F NUTLEY, NEW JERSEY.

AUTOMOBILE-BUFFER.

To all whom it may concern:

Be it known that I, RICHARD T. NEw'roN, a citizen of the United States of America, and residing in the city of Nutley, 1n the county of Essex and State of New Jersey, have invented a certain new and Improved Automobile-Buffer, of which the following is a specification.

My invention relates to automobile bufiers and the object of my invention is to provide a simple and rugged device of this chargcter which may be readily mounted on automobile frames of various sizes and types with-- i)ut injury thereto.

In the accompanying drawings,

Figure l is a Side elevation of a buffer support in which my invention 1S lllustratively embodied Fig. 2 is a partial-plan thereof;

Fig. 3 is a perspective ofa bufi'er installation embodying the invention;

, Fig. 4 is a side elevatlon of a further modification; I

Fig. 5 is a plan of the latter with the buffer spring removed;

Fig. 6 'is a side elevation of a further modification; and v Fig. 7 'is a perspective of the detachable abutment shown in Figs. 4.-5.

Fig. 8 is a lan view of the bumper carrying end of t e supporting lever, the lower flange of the bumper being also partially shown. a

In the form shown in Figs. 1 and 2 the buifer 10 is of channel section and is secured to the heads of a pair of supporting arms 11, each of which respectively is plvoted at 12 to its base 13 which in turn is held by means of yokes 14 upon the usual forward extensions 15 of thelongitudinal members of the chassis. The head of each arm 1s slotted at 16 to form a pair of expans on jaws 17 between which works an expansion bolt 18. The outer face of each aw is channeled at 19 toreceive one of the ribs 20 riv-,

eted to the opposite sides of the channel 10 and extending a few inches longitudinally inclined abutment 24 cast, with its nipple 25 and supporting flange 26, in one with the base 13. Side lugs 27 on the arm 11 form steps which bear against the edges. of the Specification of Letters Patent.

Patented Feb. 26, 1918.

Application flied March 4, 1915. Serial No. 12,038.

cheeks 28 through which the pivot pin 12 passes. The spring 23 is put in under heavy pressure, so that the stops are firmly pressed against the icheeks 28 and the buffer maintained with comparative rigidity in its normal. position. I

When the buffer is displaced the supporting arm 11 swings back upon its pivot 12 compressing the spring 23 andthus cushioning the shock to which the buffer is subjected. The stops 27 simultaneously move away from the cheeks 28, engaging them again however when the spring 23 expands, thus returning the buffer to normal position. This construction is simple and rugged and well fitted for the service demanded. The are through which the arm 11 is displaced on the compression of the spring is relatively small and the thrust is always substantially at right angles to the face of the abutment 24 so that there is no danger of the spring jumping the nipples 22 or 24 even though the latter be comparatively short.

An obvious modification is shown. in Fig.

' 6 in which the abutment 29 is slotted at 30 to permit the passage therethrough of the spindle 31 fast with the arm 11 and on which the spring is coiled. The cross pin 32 passed through the spindle 31 behind the abutthe frame the forward extensions 15 of which have different degrees of inclination. Different means for fastening the head of the arm 110 to the buffer bar 10 are also provided. In this construction the head comprises a lower jaw 33 of considerably greater width than the arm 110 and slotted at 34 to permit the passage of the securing bolt 35 therethrough andthrough the-hole 36 drilled in the lower side of the channel 10, beneath which the nut 37 is screwed onto the shank of the bolt. This construction permits the bolt to be passed through the slot 34 andhole-36 while the latter is at one side of the plane of the arm 110 whereupon the bufii'erchannel 10 is moved later ally until the bolt head 38 lies in the space 39 between the lower jaw 33 and the upper jaw 40 of the head. The nut 37 is then tightened to rigidly unite the parts. The upper jaw 40 in this case plays no part in the fastening, but forms merely a thrust'member, the outer faces of the two jaws lying in the same plane and bearing against the vertical inner face of the channel 10.

If the hole happens through error to be drilled at one side of the plane of the arm 110, the bolt 85 may be fastened in this position, since it is not essentiahthoughprefi erable, that it lie in the plane of the support ing arm.

The base 130 is before provided with cheeks 28 through which passes the pivot pin 12 on which the arm 110 is pivote S nce the base may lie at different lIlClll ion 2H1 d'iflerent frames 14, While at the same time it is desirable that the buffer should present its face A vertical, it is preferable to provide an adjustable stop by means of which the proper normal position of the buffer may be maintained. A. simple means for accomplishing this here shown, comprising a stop screvv' 4t]. threaded through a tapped shoulder 42 in the base and hearing at its lower end against a shoulder formed in the lower end of the supporting arm 110 at the base of a slot 44:. By turning the screw 41 down or up as may be necessary, the position of the arm 110 may be adjusted as maybe necessary to bring the face A of the buffer into a vertical plane. I

This adjustment of the arm 110 may re- Slllt inthrowing the seat 21 out of alineme'nt with the seat 45 on the base. To meet this difiiculty, this Seat 45 is made as an independent member provided with a :Eoot'piece 46 engaging in a Well 47 former. in the base.

The forward side of this Well is undercut at -the base, it is possible to replace one by another having its bearing face parallel to the face of the seat 2-1 on the supporting arm.

In this modification I have also obviated the use of one or the holding yohes by extending the forward end of thebaso downward in the form of a hook 551 which engages J the end of the chassis extension. The single yoke which is provided, is in reversed position from that shown in Fig. 1 and the legs extend upward from beneath the chassis through holes in bosses 53 at the side of the Val.. ,'us other modifications will readily suggest themselves Without departing from what I claim as my invention.

I claim as my invention 7 1. An automobile buffer comprising a bufier bar, a onepiece supporting arm e1)- gaging the same, a base plate adapted to l against and be rigidly mounted on the ch sis and having boss at its forward end to which said supporting arm is directly and pivotally connected, an abutment on saidbase to the rear of said boss and a compression spring extending between said abutment and supporting arm, for the purpose described.

2. An automobile buffer comprising a bufor bar, supporting arm engaging the same, a adapted to be rigidly mounted on the chassis and having a boss at its for-' wardend to which said supporting arm is pivotally connected, an abutment on said base to the rear of said boss and a compression 2; ing extending between said abutmeet and supporting arm, together with a stop oifset on said arm engaging a base member to limit the forward movement of the arm under the actio' i of said compression spring.

3. An automobile heifer comprising a blif" fer bar, a one- -piece supporting arm engag ing the same, a base plate lying against and rigidly secured to the chassi and having at its forward end a. boss to Which said supporting arm is directly pivoted, abutments on said base and snppolting arm rewec tively and lying on opposite sides of the point at which. said arm is pivoted to the base, and a compression spring extending between and seated under tension against said abatments, said supporting arm swinging on its pivot on the displacement of the buffer to compress the bnfler spring.

4-. An automobile buffer comprising a b'uf for bar, a one piece supporting arm err ag: ing the same, a base plate lying againstahdi rigidly secured to the chassis and. having at its forward end a boss to which said supporting arm directly pivoted, abutments on said arm and base lying in a substantially horizontal plane above and at substantially equal distances on opposite sides of a vertical. plane passing through the pivoting ioo point of the louder supporting arm, together with a compression spring extending. be tween said abutments for the pilrpose'described.

5. .An automobile bnfi'er comprising a huffer bar, a sppporting arm engaging the same, a base on Which said arm is pivoted, an upstanding abutment carried by the base to the rear of the point of attachment of the supporting arm, and a compression spring extending under tension between said abutment and the supporting arm together with a stop ofiset on said arm. engaging a base member to limit the forward movement of the arm. finder the action of said compression spring, for thepur ose described.

6. An automobile bu e1- eomprisin abufi fer bar, a supporting arm engaging, the

and arm, a stop screw threaded in said base and a shoulder on said arm engaged thereby whereby the normal position of said buffer 5 may be adjustably regulated.

In testimonay whereof I have signed my name to this specification, in the presence of two subscribing witnesses.

RICHARD T. NEWTON.

Witnesses:

WALTER Anna, L. H. Gno'm. 

